Island



(No-Model.) G. .w. VOELKER.

CLOTH STRBTGHING MACHINE. No. 267,628.

Patented May 9, 1882.

N PETERS. Fholo-Lithognpiwr Washi gton. D. C.

UNITED STATES PATENT OFFICE.

GEORGE W. VOELKER, 0F WOONSOGKET, RHODE ISLAND.

CLOTH-STRETCHING MACHINE.

SPECIFICATION forming part of Letters Patent No. 257,628, dated May 9, 1882.

Application filed October 13, 1881.

To all whom it may concern:

,Be it known that I, GEORGE W. VoELKER, of VVoonsocket, Providence county, State of Rhode Island, have invented an Improved Gloth-St-retchin g Machine, of which the following is a specification;

My invention relates to that class of cloth stretchers in which the stretching-bars are carried upon wheels turning on oblique arbors;

- ing-cylinder B, is fixed, and carries four arbors, 0, arranged oblique] y, as shown, those near each end being set at the one angle and those at the opposite end at another angle.

On each arbor turns a wheel, D, having a peripheral flange, a, in which are lateral slots c,-adapted to receive round-headed pins b,that carry plates d, to which are bolted the slats f of the cylinder, the slats being in twt'divisions and having their outer faces covered with cloth or otherwise made adhesive. The slats carried by each pair of wheels overlap or pass each other at the inner ends, as shown, so as to form a slatted cylinder without intervening central space between the two divisions of slats, as heretofore. The cloth w, guided by rollers, S S, is carried half round the (No model.)

stretcher-cylinder, being first presented at that side when the two divisions of slats are nearest together, as shown, and as the cylinder revolves the slats are separated, drawing the cloth across its entire face and laterally toward each edge, and stretching it rapidly and accurately.

It will be seen that the slots 6 permit the slats to expand or contract without causing them to bend or buckle.

I am aware that the stretcher-slats of stretching-cyliuders haye been supported by disks revolving-upon arbors inclined to the main shaft, and do not claim this, broadly; but in such cases the slats have been bolted to pins fitted to bearin gs formed in the disks and swiveling therein. This requires the nice fitting of many parts, and the dropping out of pivot-pins is liable to derange the apparatus.

The improved construction above described involves no nice fitting, the parts may be cast and put together without finishing, and there are no connecting-pins to become loose and drop out.

I claim-- A cloth -stretcher cylinder consistin g of the stationary shaft, inclined arbors, wheels turning on said arbors and having slotted peripheral flanges, and headed pins extending from the slats into the slots, substantially as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

, c120. W. VOELKER. Vitnesses:

CHARLES E. FOSTER, A. E. HANSMANN. 

